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201. [Towertalk] Well casing fold-over mast (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 04 Sep 2002 22:24:25 -0400; While I basically agree with your point about not homebrewing tall structures unless you know very well what you're doing, this piece of data is off target. I had 2 sections of Rohn 25 on the roof of; /archives//html/Towertalk/2002-09/msg00171.html (8,334 bytes)
202. [Towertalk] Guy Anchor Question (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 04 Sep 2002 22:33:08 -0400; When I was planning my tower one of the MEs on the reflector gave me a tutorial on how all guy anchors work. The bottom line was that the weight of a concrete anchor is helpful, but the big factor is; /archives//html/Towertalk/2002-09/msg00173.html (8,638 bytes)
203. [Towertalk] Connectors for CATV hardline (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 06 Sep 2002 22:17:28 -0400; Probably not, but if you use Amphenol barrel connectors, you can remove the innards, and not replace the half that surrounds the center conductor at the inner end. That can then be spread apart to fi; /archives//html/Towertalk/2002-09/msg00248.html (8,195 bytes)
204. [Towertalk] screw in anchors (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 08 Sep 2002 09:05:49 -0400; One thing I haven't heard mentioned in the current thread is that the standard Rohn concrete anchor design weighs about 1900 lb. Even if all the soil above the anchor and toward the tower were remove; /archives//html/Towertalk/2002-09/msg00280.html (8,277 bytes)
205. [Towertalk] screw in anchors (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 13 Sep 2002 02:01:42 -0400; Probably true, but the force is at ~45 degrees to the horizontal, you'd have to drag it up out of a 3-foot hole first, and in any case it weighs a LOT more than a screw anchor in similar circumstance; /archives//html/Towertalk/2002-09/msg00425.html (8,455 bytes)
206. [Towertalk] W32.Elkern removal tools (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 13 Sep 2002 12:17:22 -0400; Looks like someone on prodigy has the klez.h. critter. This did NOT come from W6RU 73, Pete N4ZR Sometimes a tower is just a tower; /archives//html/Towertalk/2002-09/msg00433.html (6,678 bytes)
207. [Towertalk] Need Antenna Advice! (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 14 Sep 2002 15:47:31 -0400; Which is useful as long as you believe the company will survive to honor it. I'd be a little worried about finding replacements for those special motors in the element centers, as well as other speci; /archives//html/Towertalk/2002-09/msg00492.html (9,163 bytes)
208. [Towertalk] The StepIR (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 15 Sep 2002 14:24:03 -0400; Funny, just today I was re-reading W3AFM's classic 1964 series on station design, and noted that one of the stations on his list of "big guns" was using a TH6-DX. I wonder how many of those antennas; /archives//html/Towertalk/2002-09/msg00514.html (7,695 bytes)
209. [Towertalk] The StepIR (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 16 Sep 2002 20:56:18 -0400; Well, yes and no... at least the traps are refurbishable... It's one thing to clean out some traps and tighten the screws, quite another to replace a stepper motor. 73, Pete N4ZR Sometimes a tower is; /archives//html/Towertalk/2002-09/msg00558.html (8,400 bytes)
210. [Towertalk] Antenna Requirements for High-Band DXing (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 17 Sep 2002 09:11:06 -0400; Strikes me as kind of irrelevant to offer testimonials for various tribanders based on the "I've worked 'em all except.." theory. High-band DXing's antenna requirements are pretty minimal these days,; /archives//html/Towertalk/2002-09/msg00576.html (7,314 bytes)
211. [Towertalk] Wood Mast Bearing (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 17 Sep 2002 14:46:40 -0400; A local race-car builder, who made a sidemount for me a couple of years ago, used a scrap block of high density polyethylene for the top bearing of the sidemount. The stuff has a faintly soapy feel,; /archives//html/Towertalk/2002-09/msg00584.html (7,208 bytes)
212. [Towertalk] Stepp IR Ads (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 18 Sep 2002 09:00:15 -0400; Kudos to Fluidmotion for submitting their modeling results to ARRL and getting the OK to run actual gain and F/R figures in their ad -- I wish more manufacturers would follow this lead. 73, Pete N4ZR; /archives//html/Towertalk/2002-09/msg00610.html (6,407 bytes)
213. [Towertalk] Rebar Cage (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 19 Sep 2002 17:45:44 -0400; Noooo.... not again! If this is the case, why does Polyphaser bless the use of a Ufer ground? The exploding base thing is an urban legend, as far as I can tell. 73, Pete N4ZR Sometimes a tower is jus; /archives//html/Towertalk/2002-09/msg00677.html (8,300 bytes)
214. [Towertalk] Rebar Cage (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 20 Sep 2002 06:54:27 -0400; Interesting, since the Polyphaser tech note just cited by another poster specifically advocates using "an exothermic method" to bond the rebar joints in a Ufer ground, to avoid the potential of spark; /archives//html/Towertalk/2002-09/msg00717.html (8,829 bytes)
215. [Towertalk] Rebar Cage (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 20 Sep 2002 09:23:55 -0400; That's awfully selective, Jerry. The article also says, "It is a common misconception to think that a lightning strike will blow up a concrete pad." As for the "certain circumstances," they say, "We; /archives//html/Towertalk/2002-09/msg00723.html (8,607 bytes)
216. [Towertalk] Lightning strike detection (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 21 Sep 2002 11:39:18 -0400; Or you can build the one in April 2002 QST. Simple and cheap. 73, Pete N4ZR Sometimes a tower is just a tower; /archives//html/Towertalk/2002-09/msg00760.html (7,262 bytes)
217. [Towertalk] Lightning strike detection (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 21 Sep 2002 13:09:28 -0400; Rereading it, I think you're right. I wonder, though, how useful such a thing would be at registering induced voltages from nearby, indirect "hits." If it entered via the antenna system, that might b; /archives//html/Towertalk/2002-09/msg00764.html (7,890 bytes)
218. [Towertalk] Ground Rods (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 02 Aug 2002 10:22:38 -0400; It's intriguing to me that those hardware store compression clamps that use a hex head bolt pressing against the inside of a ring-shaped bronze casting are code-approved for ground wire to ground rod; /archives//html/Towertalk/2002-08/msg00032.html (8,166 bytes)
219. [Towertalk] Insulated masting material (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 04 Aug 2002 06:36:28 -0400; K4TMC@aol.com is where I got mine. 73, Pete N4ZR Check out the World HF Contest Station Database at www.pvrc.org; /archives//html/Towertalk/2002-08/msg00074.html (7,012 bytes)
220. [Towertalk] Best Tri-Bander under 40 lbs? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 06 Aug 2002 14:09:01 -0400; I have watched the SWR meter whilke transmitting on my C-3s in very windy conditions and at most the SWR change is 1-2 tenths. Any windier than that and I'd be in the cellar, not operating. The perfo; /archives//html/Towertalk/2002-08/msg00141.html (7,914 bytes)

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